
Cardio
Home Cardio for Weight Loss — 20 Minute HIIT
About This Workout
Steady-state cardio has its place, but if you want maximum fat burn in minimum time, HIIT is the answer — and it's especially effective during a cut. This 20-minute home cardio session alternates between explosive plyometric moves (Star Jumps, Skaters, Burpee Broad Jumps) and core-challenging cardio (Butt Kicks, Mountain Climbers) to keep your heart rate in the fat-burning zone while building explosive power.
The structure is deliberately simple: 40 seconds of work, 20 seconds of rest, repeated across 5 exercises. This is the classic DAREBEE HIIT format — accessible, repeatable, and effective. No equipment, no gym, just 20 minutes of focused effort.
Why HIIT works on a cut: HIIT elevates EPOC (Excess Post-Exercise Oxygen Consumption) more than steady-state cardio, meaning you continue burning calories at an elevated rate for up to 24 hours after your workout.
Expected benefits after 4 weeks (3×/week):
- 2–5 lbs of additional fat loss beyond diet alone
- Improved VO₂ max and cardiovascular efficiency
- Better glucose metabolism and insulin sensitivity
- Maintained explosive power and agility
Fuel This Workout
HIIT demands more from your glycolytic energy system than steady-state cardio. Pre-fueling is essential for performance.
| When | What to Eat | Why |
|---|---|---|
| Pre-Workout (60 min before) | Oatmeal (½ cup) + scoop whey | Slow-release carbs for sustained energy + protein to buffer muscle breakdown |
| Alternative (30 min before) | Half a banana + green tea | Quick carbs + mild caffeine + antioxidants |
| Post-Workout (within 60 min) | Salmon (120g) + quinoa (½ cup) + spinach | Omega-3s for inflammation control + complete protein + complex carbs |
| Fasted Option | BCAAs (10g) during workout | Branch-chain amino acids prevent muscle catabolism during fasted HIIT |
Hydration: HIIT is dehydrating. Drink 500ml water 90 minutes before, and sip between rounds. Add a pinch of salt to your water if you're sweating heavily.
Pre-Workout Stack — Katabolic Ignite →
Electrolytes — Katabolic Electrolyte+ →
Post-Workout Protein — Katabolic Recover →
The Workout
Each exercise: 40 seconds work, 20 seconds rest. Complete 3 rounds of the circuit.
1. Butt Kicks
Jog in place while kicking your heels toward your glutes with each step. Keep your upper body upright and core engaged. Aim to actually touch your glutes with your heels — the faster, the better.
Target muscles: Hamstrings, glutes, hip flexors
Pro tip: This is a dynamic hamstring stretch as much as a cardio move. It preps your posterior chain for the explosive work to follow.
2. Star Jumps
Start in a shallow squat with feet together and arms crossed. Explosively jump, spreading your arms and legs wide into a star shape mid-air. Land softly in the starting position, absorbing impact through your quads and glutes.
Target muscles: Full body — glutes, quads, shoulders, core
Pro tip: Land with bent knees — locking your joints on landing is the fastest way to shin splints and knee pain.
3. Skaters
Start standing on your right leg. Leap laterally to the left, landing on your left leg while your right leg crosses behind. Swing your arms naturally. Immediately explode back to the right. Continue alternating.
Target muscles: Glutes (especially glute med), quads, hip abductors, core
Pro tip: This is a fantastic cutting exercise because the lateral movement engages stabilizers that frontal-plane cardio misses.
4. Burpee Broad Jumps
From standing, drop into a squat, place hands on floor, and jump back into plank. From plank, jump your feet forward to your hands, and immediately explode forward into a broad jump. Land, reset, and repeat.
Target muscles: Full body — explosive power in legs + upper body endurance
Pro tip: This is an advanced variation. As a replacement, do standard burpees with an extra tuck jump at the top.
5. Mountain Climbers
High plank position. Drive knees alternately toward your chest at a brisk pace. Keep your hips level and core braced. Don't let your butt pike up as you tire.
Target muscles: Hip flexors, quads, core (deep stabilizers), shoulders
Pro tip: This is your highest calorie-burn exercise per minute. Push hard on this one — it's the finisher.
Tips & Modifications
For Beginners: Do 2 rounds. Jog in place or march during rest intervals. Replace Burpee Broad Jumps with standard step-back burpees. Reduce Mountain Climbers to 15 reps per leg.
For Advanced: Add a 4th round. Reduce rest to 10 seconds. Add 5 reps to each exercise per round (e.g., 15 Star Jumps in round 2, 17 in round 3).
When to Do Cardio on a Cut:
- Morning fasted: Works well for some, but can increase muscle breakdown — take BCAAs beforehand
- Post-workout (after strength): Ideal — your glycogen is partially depleted, forcing greater fat oxidation
- Separate session (PM): Best for performance — highest energy, lowest cortisol response
Don't Overdo It: More cardio is not always better on a cut. Excessive HIIT increases cortisol, which promotes fat storage (especially visceral) and muscle breakdown. 3 HIIT sessions per week max during a cut.
More Workouts Like This
- Full Body HIIT Circuit →
- No-Equipment Fat Loss Workout →
- Quick Workout for Busy People →
- Low-Impact Cardio for Cutting →
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